<nz-space>
  <input *nzSpaceItem nz-input placeholder="输入ID, 多个ID使用','相隔" [(ngModel)]="ids" style="width: 300px" />
  <button *nzSpaceItem nz-button nzType="primary" (click)="find()" [nzLoading]="isLoading">查询文件元数据</button>
  <button *nzSpaceItem nz-button (click)="downloadAll()" [nzLoading]="isLoading">打包下载所有文件</button>
</nz-space>
<div style="margin-top: 8px">
  <nz-empty *ngIf="metadataList.length === 0"></nz-empty>
  <textarea rows="10" nz-input [ngModel]="metadataList | json" *ngIf="metadataList.length > 0"></textarea>
</div>
